Can you freeze croissant and cream cheese sausage casserole?

Yes, you can freeze croissant and cream cheese sausage casserole. To do so, allow the casserole to cool completely after baking, then wrap it tightly in plastic wrap or aluminum foil and place it in an airtight container or freezer bag. When you're ready to eat it, thaw it in the refrigerator overnight and reheat in the oven until warmed through. Freezing may slightly alter the texture, but it will still be delicious!